The heat that melted the early Earth was derived from
A) nuclear fusion.
B) radioactive decay.
C) chemical reactions.
D) sunlight.

Question

Quizplus · Accepted Answer

The heat that melted the early Earth was derived from radioactive decay, specifically from the decay of isotopes like uranium, thorium, and potassium. This process released a significant amount of heat, which contributed to the melting and differentiation of the Earth's interior.

The Heat That Melted the Early Earth Was Derived from